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A bomb calorimeter , or constant volume calorimeter, is a device often used to d

ID: 925407 • Letter: A

Question

A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods.

Since the "bomb" itself can absorb energy, a separate experiment is needed to determine the heat capacity of the calorimeter. This is known as calibrating the calorimeter.

In the laboratory a student burns a 0.442-g sample of xanthone (C13H8O2) in a bomb calorimeter containing 1070. g of water. The temperature increases from25.50 °C to 28.10 °C. The heat capacity of water is 4.184 J g-1°C-1.

The molar heat of combustion is 6067 kJ per mole of xanthone.

Calculate the heat capacity of the calorimeter.

Explanation / Answer

A bomb calorimeter , or constant volume calorimeter, is a device often used to d

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